@media screen and (max-width: 768px){
    header {	
        .content{
            .navbar {
                width: 100%;
                .navbar-collapse{
                    .navbar-nav{
                        li{
                            border-bottom: 1px solid #e0e0e0;
                        }
                    }
                }
            }
        }
    }
}

@media screen and (min-width: 768px){
    header {	
        .content{
            .navbar {
                .navbar-collapse {
                    .navbar-nav {
                        li {
                            padding-right: 20px;
                        }
                    }
                }
            }
        }
    }
}

@media screen and (max-width: 768px){
    .ourintroduction{
        .container{
            .row{
                div{
                    a{
                        img{
                            width: 100%;
                        }
                    }
                }
            }
        }
    }
}
@media screen and (min-width: 768px){
    .ourintroduction{
        .container{
            .row{
                div{
                    display: flex;
                    justify-content: center;
                    a{
                        img{
                            width: 100%;
                        }
                    }
                }
            }
        }
    }
}
@media screen and (max-width: 768px){
    footer{
        .foottop{
            .row{
                height: 260px;
                div:first-child{
                    width: 140px;
                    right: -60%;
                    top:10px
                }
                div{
                    bottom: 230px;
                    right: -40px;
                    hr{
                        width: 100%;
                    }                    
                    ul{
                        margin-top: 10px;
                        li:first-child{
                            display: block;
                        }
                        li{
                            display: none;	
                            margin: 0;
                        }
                    }
                }
            }
        }
    }
}